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<p>Suicidal behavior represents one of the leading causes of death and disability globally with approximately one million fatalities annually. It is a complex public health issue that has various risk factors that vary significantly across age groups, geographic regions, and cultural and sociodemographic contexts. This study investigated the sociodemographic profiles of suicide victims in the Southern Region of Brazil between 2012 and 2021, correlating them with socioeconomic indicators and temporal patterns. We extract data from the Mortality Information System (SIM) and Municipal Human Development Indicator (MHDI), where 27,720 suicide cases were identified in the region during the study period. The analysis revealed a higher suicide rate in the Southern Region compared to the rest of the country, reaching 11.5 deaths per 100,000 inhabitants in 2021. Error, Trend, and Seasonality (ETS) decomposition indicated a rising trend in suicide cases since 2014, with seasonal peaks in summer months. Spearman’s correlation highlighted significant associations between the suicide rate and discouragement rates, in addition to moderate correlations with human development indicators such as education and per capita income. <i>K-modes</i> algorithm identified four distinct sociodemographic profiles among suicide victims in the region, predominantly white men, middle-aged, and single from Rio Grande do Sul. These analyses can contribute to a more comprehensive and contextualized understanding of regional suicide dynamics in Brazil, providing insights for the formulation and implementation of public policies and prevention strategies tailored to local specificities.</p>

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Characterization of Sociodemographic Profiles and Socioeconomic Correlates of Suicide Rates in the Southern Region of Brazil (2012–2021)

  • 期刊论文

  • 发表日期：

    2025年7月24日

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  • Andre Massahiro Shimaoka,
  • Antonio Carlos da Silva Junior,
  • José Marcio Duarte,
  • Luciano Rodrigo Lopes,
  • Richard Alecsander Reichert,
  • Júlio Cézar Gonçalves do Pinho,
  • Denise De Micheli,
  • Paulo Bandiera-Paiva

摘要

Suicidal behavior represents one of the leading causes of death and disability globally with approximately one million fatalities annually. It is a complex public health issue that has various risk factors that vary significantly across age groups, geographic regions, and cultural and sociodemographic contexts. This study investigated the sociodemographic profiles of suicide victims in the Southern Region of Brazil between 2012 and 2021, correlating them with socioeconomic indicators and temporal patterns. We extract data from the Mortality Information System (SIM) and Municipal Human Development Indicator (MHDI), where 27,720 suicide cases were identified in the region during the study period. The analysis revealed a higher suicide rate in the Southern Region compared to the rest of the country, reaching 11.5 deaths per 100,000 inhabitants in 2021. Error, Trend, and Seasonality (ETS) decomposition indicated a rising trend in suicide cases since 2014, with seasonal peaks in summer months. Spearman’s correlation highlighted significant associations between the suicide rate and discouragement rates, in addition to moderate correlations with human development indicators such as education and per capita income. K-modes algorithm identified four distinct sociodemographic profiles among suicide victims in the region, predominantly white men, middle-aged, and single from Rio Grande do Sul. These analyses can contribute to a more comprehensive and contextualized understanding of regional suicide dynamics in Brazil, providing insights for the formulation and implementation of public policies and prevention strategies tailored to local specificities.